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Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG735547542

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG735547542

Diamond specifications and retailer prices

From $255 AUD
$179 USD
As of October 30, 2026
Save $2,194 AUD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,534 AUD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.17ct lab-grown radiant diamond

This 1.17ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735547542 or 735547542. Listed at 22 retailers as of October 30, 2026, with a 861% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735547542
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.37 mm7.13 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735547542
Side View
Table 67.0%Crown 27.4°Girdle: MED-STKPavilion 35°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,449 AUD|Low: $245 AUD|High: $2,534 AUD|Avg: $853 AUD|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 4$255 AUD
Retailer 17$283 AUD
Retailer 10$295 AUD
Retailer 5$316 AUD
Retailer 12$316 AUD
Retailer 15$535 AUD
Retailer 2$544 AUD
Retailer 7$559 AUD
Retailer 14$567 AUD
Retailer 9$666 AUD
Retailer 16$769 AUD
Retailer 19$789 AUD
Retailer 6$1,014 AUD
Retailer 8$1,019 AUD
Retailer 11$1,091 AUD
Retailer 3$1,125 AUD
Retailer 20$1,167 AUD
Retailer 13$1,475 AUD
Retailer 18$1,851 AUD
Brilliant Earth$2,449 AUD

39 data points across 20 retailers

22 retailers$255 AUD to $2,449 AUD

A
Cheapest Retailer
-
$255 AUD
$179 USD
A
Retailer 2
-
$283 AUD
$199 USD
View
Final sale: no returns
A
Retailer 3
-
$295 AUD
$207 USD
View
A
Retailer 4
-
$316 AUD
$222 USD
View
Retailer 5
-
$316 AUD
$222 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$535 AUD
€358 EUR
View
A
Retailer 7
-
$544 AUD
ZAR 6,178 ZAR
View
A
Retailer 8
-
$559 AUD
$393 USD
View
A
Retailer 9
-
$567 AUD
£314 GBP
View
A
Retailer 10
-
$666 AUD
$468 USD
View
A
Retailer 11
-
$769 AUD
View
A
Retailer 12
-
$789 AUD
$554 USD
View
B+
Retailer 13
-
$1,014 AUD
$712 USD
View
B+
Retailer 14
-
$1,019 AUD
$716 USD
View
B+
Retailer 15
-
$1,091 AUD
$766 USD
View
B+
Retailer 16
-
$1,125 AUD
SGD 1,068 SGD
View
B+
Retailer 17
-
$1,167 AUD
$820 USD
View
B+
Retailer 18
-
$1,475 AUD
£816 GBP
View
B+
Retailer 19
-
$1,851 AUD
$1,300 USD
View
Retailer 20
-
$1,879 AUD
$1,320 USD
View
Price last confirmed 38 days ago
B
Retailer 21
-
$2,449 AUD
$1,720 USD
View
Most Expensive
Brilliant Earth
16533170A · Sep 28
$2,534 AUD
$1,780 USD
View
Price last confirmed 34 days ago
21 more retailers have this diamond
Prices start from $255 AUDSave up to $2,194 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.17ct Radiant
$255 AUD